VIRUS: Localhost Used in SMTP HELO
This signature detects the hostname "Localhost" in the HELO command for SMTP. This can indicate a mis-configured mail server; however, this can also indicate a malicious program (such as a worm or virus) that uses this hostname to avoid reverse lookup failures.
Short Name
VIRUS:SMTP:LOCALHOST-HELO
Severity
Minor
Recommended
False
Recommended Action
None
Category
VIRUS
Keywords
HELO Localhost SMTP Used in
Release Date
02/11/2004
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3375
False Positive
Unknown